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[92.99.174.93]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a4efe5b92bsm18574640f8f.9.2025.06.03.10.01.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Jun 2025 10:01:27 -0700 (PDT) From: Alexey Charkov Date: Tue, 03 Jun 2025 21:01:15 +0400 Subject: [PATCH 3/4] arm64: dts: rockchip: enable wifi on ArmSoM Sige5 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250603-sige5-updates-v1-3-717e8ce4ab77@gmail.com> References: <20250603-sige5-updates-v1-0-717e8ce4ab77@gmail.com> In-Reply-To: <20250603-sige5-updates-v1-0-717e8ce4ab77@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Alexey Charkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1748970076; l=3205; i=alchark@gmail.com; s=20250416; h=from:subject:message-id; bh=c8oPro+LjYG34KNqLDV5AQvA8UmqCuFwCYmZWvt03co=; b=eLODa75WBe+LmN+NItUXL47WxdQX+Yvyylq1SEXx0DI4a0xKhhPyz+6YV8/1KeWZqxgqANvVE DWTk2XdUEkEC3pxm4GXu2D8tvEDqIdwm8behElnGAhMO/x1U173bCk4 X-Developer-Key: i=alchark@gmail.com; a=ed25519; pk=ltKbQzKLTJPiDgPtcHxdo+dzFthCCMtC3V9qf7+0rkc= ArmSoM Sige5 uses a soldered-on SDIO connected WiFi module. Namely, board v1.1 uses a Realtek based BL-M8852BS2, while v1.2 uses a Broadcom based BW3752-50B1. Add required device tree nodes in the SoC .dtsi for the SDIO controller and pinctrl / clock wiring in the board .dts for the module itself. Signed-off-by: Alexey Charkov --- .../boot/dts/rockchip/rk3576-armsom-sige5.dts | 36 ++++++++++++++++++++++ arch/arm64/boot/dts/rockchip/rk3576.dtsi | 16 ++++++++++ 2 files changed, 52 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts index 7ce1fb1380b0863c902fdd9cbc7454ee6011cf92..dcd033859398312f7693bebb7f080ee4f2ecaa32 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts @@ -219,6 +219,15 @@ vcc_5v0_host: regulator-vcc-5v0-host { pinctrl-names = "default"; pinctrl-0 = <&usb_host_pwren>; }; + + sdio_pwrseq: sdio-pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&hym8563>; + clock-names = "ext_clock"; + pinctrl-names = "default"; + pinctrl-0 = <&wifi_reg_on>; + reset-gpios = <&gpio1 RK_PC6 GPIO_ACTIVE_LOW>; + }; }; &combphy1_psu { @@ -781,6 +790,16 @@ usb_host_pwren: usb-host-pwren { rockchip,pins = <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; }; }; + + wireless-wlan { + wifi_wake_host: wifi-wake-host { + rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>; + }; + + wifi_reg_on: wifi-reg-on { + rockchip,pins = <1 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; }; &sai1 { @@ -808,6 +827,23 @@ &sdhci { status = "okay"; }; +&sdio { + bus-width = <4>; + cap-sdio-irq; + disable-wp; + keep-power-in-suspend; + mmc-pwrseq = <&sdio_pwrseq>; + no-sd; + no-mmc; + non-removable; + sd-uhs-sdr50; + sd-uhs-sdr104; + vmmc-supply = <&vcc_3v3_s3>; + vqmmc-supply = <&vcc_1v8_s3>; + wakeup-source; + status = "okay"; +}; + &sdmmc { bus-width = <4>; cap-mmc-highspeed; diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi index 1086482f04792325dc4c22fb8ceeb27eef59afe4..a09582470bb7f654b711308da1e51fa8571ca1e8 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi @@ -1695,6 +1695,22 @@ sdmmc: mmc@2a310000 { status = "disabled"; }; + sdio: mmc@2a320000 { + compatible = "rockchip,rk3576-dw-mshc", "rockchip,rk3288-dw-mshc"; + reg = <0x0 0x2a320000 0x0 0x4000>; + clocks = <&cru HCLK_SDIO>, <&cru CCLK_SRC_SDIO>; + clock-names = "biu", "ciu"; + fifo-depth = <0x100>; + interrupts = ; + max-frequency = <200000000>; + pinctrl-0 = <&sdmmc1m0_clk &sdmmc1m0_cmd &sdmmc1m0_bus4>; + pinctrl-names = "default"; + power-domains = <&power RK3576_PD_SDGMAC>; + resets = <&cru SRST_H_SDIO>; + reset-names = "reset"; + status = "disabled"; + }; + sdhci: mmc@2a330000 { compatible = "rockchip,rk3576-dwcmshc", "rockchip,rk3588-dwcmshc"; reg = <0x0 0x2a330000 0x0 0x10000>; -- 2.49.0